English verb conjugation MUST SUBMARINE

Regular verb: submarine - submarined - submarined

Affirmation

Simple form

I must submarine
you must submarine
he must submarine
we must submarine
you must submarine
they must submarine

V-ing form

I must be submarining
you must be submarining
he must be submarining
we must be submarining
you must be submarining
they must be submarining

Perfect

I must have submarined
you must have submarined
he must have submarined
we must have submarined
you must have submarined
they must have submarined

V-ing perfect

I must have been submarining
you must have been submarining
he must have been submarining
we must have been submarining
you must have been submarining
they must have been submarining

Negation

Simple form

I mustn't submarine
you mustn't submarine
he mustn't submarine
we mustn't submarine
you mustn't submarine
they mustn't submarine

V-ing form

I mustn't be submarining
you mustn't be submarining
he mustn't be submarining
we mustn't be submarining
you mustn't be submarining
they mustn't be submarining

Perfect

I mustn't have submarined
you mustn't have submarined
he mustn't have submarined
we mustn't have submarined
you mustn't have submarined
they mustn't have submarined

V-ing perfect

I mustn't have been submarining
you mustn't have been submarining
he mustn't have been submarining
we mustn't have been submarining
you mustn't have been submarining
they mustn't have been submarining

Interrogative form

Simple form

must I submarine?
must you submarine?
must he submarine?
must we submarine?
must you submarine?
must they submarine?

V-ing form

must I be submarining?
must you be submarining?
must he be submarining?
must we be submarining?
must you be submarining?
must they be submarining?

Perfect

must I have submarined?
must you have submarined?
must he have submarined?
must we have submarined?
must you have submarined?
must they have submarined?

V-ing perfect

must I have been submarining?
must you have been submarining?
must he have been submarining?
must we have been submarining?
must you have been submarining?
must they have been submarining?

Interro-negative form

Simple form

mustn't I submarine?
mustn't you submarine?
mustn't he submarine?
mustn't we submarine?
mustn't you submarine?
mustn't they submarine?

V-ing form

mustn't I be submarining?
mustn't you be submarining?
mustn't he be submarining?
mustn't we be submarining?
mustn't you be submarining?
mustn't they be submarining?

Perfect

mustn't I have submarined?
mustn't you have submarined?
mustn't he have submarined?
mustn't we have submarined?
mustn't you have submarined?
mustn't they have submarined?

V-ing perfect

mustn't I have been submarining?
mustn't you have been submarining?
mustn't he have been submarining?
mustn't we have been submarining?
mustn't you have been submarining?
mustn't they have been submarining?

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